Ivo Marino
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Writing

Everything published so far, grouped by topic. Newest first.

Backups and storage

ZFS + NFS as Kubernetes Storage: Point-in-Time Recovery Without the Cost 1 h snapshot interval for every volume Scaling MySQL Beyond Kubernetes: When Backups Become The Blocker We ran MySQL in Kubernetes for years until the data scaled from GB to TB. Kubernetes wasn't the problem—backups were. …

Networks and the BSDs

Out-of-Band SSH Tunnel Failover: Why Stability Beats Speed 30 s stable recovery Production Security Updates Without Downtime: Debian, FreeBSD, and OpenBSD Security patches can't wait, but unplanned reboots break production. The update runbook for Debian, FreeBSD, and OpenBSD … OpenBSD CARP Firewalls in Front of a Private Kubernetes Cluster < 1 s firewall failover, state kept

Kubernetes

Kubernetes Pod Autoscaling with KEDA: Queue Depth Beats CPU Every Time 5 to 15 min processing latency From Data Science to Production: MLOps CI/CD Pipeline with Real-time Accuracy Monitoring Production machine learning requires more than training good models. This guide covers building a complete MLOps system …

Lessons and runbooks

Build log 1: The five checks I put around an AI workflow before it touches real work A new series where I build AI workflows end to end and write down how. Who it is for, the problem it solves, its goals, … 2026 Relaunch: Infrastructure Lessons from 10+ Years Running Production Relaunching with a focus on pragmatic infrastructure: backup strategies, Kubernetes autoscaling, and lessons from 10+ …